Analysis

  • max time kernel
    77s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    10/05/2022, 00:32

General

  • Target
    cfb694593822672bb9868c1c52382bc8.exe
  • Size 366KB
  • Sample220510-avmfcaeec8
  • SHA256 c8d86d108446f2370971fa59a0ddccd511a133a67b5ece08bc089ab2eb3d7d63
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfb694593822672bb9868c1c52382bc8.exe
    "C:\Users\Admin\AppData\Local\Temp\cfb694593822672bb9868c1c52382bc8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 1400
      2⤵
      • Program crash
      PID:3876
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4164 -ip 4164
    1⤵
      PID:4864

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/4164-130-0x0000000000837000-0x0000000000861000-memory.dmp

          memory/4164-131-0x0000000000760000-0x0000000000797000-memory.dmp

          memory/4164-132-0x0000000000400000-0x000000000049D000-memory.dmp

          memory/4164-133-0x0000000004FA0000-0x0000000005544000-memory.dmp

          memory/4164-134-0x0000000005550000-0x0000000005B68000-memory.dmp

          memory/4164-135-0x00000000027F0000-0x0000000002802000-memory.dmp

          memory/4164-136-0x0000000004E30000-0x0000000004F3A000-memory.dmp

          memory/4164-137-0x0000000002810000-0x000000000284C000-memory.dmp

          memory/4164-138-0x0000000005C70000-0x0000000005D02000-memory.dmp

          memory/4164-139-0x0000000005D10000-0x0000000005D76000-memory.dmp

          memory/4164-140-0x00000000063D0000-0x0000000006446000-memory.dmp

          memory/4164-141-0x00000000064F0000-0x000000000650E000-memory.dmp

          memory/4164-142-0x00000000067C0000-0x0000000006982000-memory.dmp

          memory/4164-143-0x0000000006990000-0x0000000006EBC000-memory.dmp